139314452 has 12 divisors (see below), whose sum is σ = 244526100. Its totient is φ = 69449856.

The previous prime is 139314449. The next prime is 139314457. The reversal of 139314452 is 254413931.

It can be written as a sum of positive squares in 2 ways, for example, as 27081616 + 112232836 = 5204^2 + 10594^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139314457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50327 + ... + 53022.

It is an arithmetic number, because the mean of its divisors is an integer number (20377175).

Almost surely, 2^139314452 is an apocalyptic number.

It is an amenable number.

139314452 is a deficient number, since it is larger than the sum of its proper divisors (105211648).

139314452 is a wasteful number, since it uses less digits than its factorization.

139314452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103690 (or 103688 counting only the distinct ones).

The product of its digits is 12960, while the sum is 32.

The square root of 139314452 is about 11803.1543241627. The cubic root of 139314452 is about 518.4004744334.

The spelling of 139314452 in words is "one hundred thirty-nine million, three hundred fourteen thousand, four hundred fifty-two".